Population – Test 2 – Flashcards

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question
pivotal
answer
of crucial importance in the development of something else
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replacement rate
answer
the total fertility rate needed for a population to replace itself (This is usually around 2.1)
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baby boomers
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people born after WWII, from 1946 to 1964 in the United States and Allied countries
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pension
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a fixed amount of money paid regularly to a person, following retirement from work
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dependency ratio
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the number of old and young dependents compared to the working population who supports them
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doubling time
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the length of time it takes for a population to double
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famine
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a severe shortage of food that results in widespread hunger
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arable land
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land suitable for growing crops
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arithmetic population density
answer
the population of a country divided by its total land area. This calculation assumes people can live anywhere within a country.
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physiologic population density
answer
the population of a country divided by its total arable land area. This calculation takes into account that there are many places that people can’t live within a country.
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